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9481861 is a prime number
BaseRepresentation
bin100100001010…
…111010000101
3122211201200001
4210022322011
54411404421
6535121301
7143410624
oct44127205
918751601
109481861
115396954
123213231
131c6ca8c
14138b6bb
15c74691
hex90ae85

9481861 has 2 divisors, whose sum is σ = 9481862. Its totient is φ = 9481860.

The previous prime is 9481799. The next prime is 9481867. The reversal of 9481861 is 1681849.

It is a happy number.

9481861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5909761 + 3572100 = 2431^2 + 1890^2 .

It is a cyclic number.

It is not a de Polignac number, because 9481861 - 221 = 7384709 is a prime.

It is a Chen prime.

9481861 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9481861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9481867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740930 + 4740931.

It is an arithmetic number, because the mean of its divisors is an integer number (4740931).

Almost surely, 29481861 is an apocalyptic number.

It is an amenable number.

9481861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481861 is an equidigital number, since it uses as much as digits as its factorization.

9481861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 37.

The square root of 9481861 is about 3079.2630611885. The cubic root of 9481861 is about 211.6562975335.

It can be divided in two parts, 948 and 1861, that added together give a square (2809 = 532).

The spelling of 9481861 in words is "nine million, four hundred eighty-one thousand, eight hundred sixty-one".